Results for “opal 18k”

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Opal and Diamond Halo Ring in 18k White Gold: In 18k White Gold. Contains one 16.5x13mm high quality natural Opal gemstone with intense play of color, flashes of green, blue, orange, and red. Also contains eighteen .02ct and fourteen .01ct high q

16 hrs Left

Opal and Diamond Halo Ring in 18k White Gold

Est.

US$3,340

-

US$5,010

US$1,775

Eric's Estate & JewelryPunta Gorda, FL

7 days Left

OPAL DESIGN NECKLACE WHITEGOLD PENDANT DIAMOND

Est.

US$2,850

-

US$4,180

US$25

NY Elizabeth Beverly Hills, CA

Estate 6.20ct Opal Diamond 18k Yellow Gold Wide Bracelet: Estate 6.20ct Opal Diamond 18k Yellow Gold Wide Bracelet This stunning estate bracelet is masterfully crafted from 18k yellow gold, showcasing a unique textured open branch-like design. The front half

Aug 31, 2026

Estate 6.20ct Opal Diamond 18k Yellow Gold Wide Bracelet

Est.

US$23,739

-

US$28,487

US$7,500

Diamond DepotNew York, NY

18k White Gold Opal Diamond Halo Pendant: 18k White Gold Opal Diamond Halo Pendant This elegant pendant features a large natural opal in an elongated oval cabochon cut, prong set in solid 18k white gold. The opal displays a white base color w

20 hrs Left

18k White Gold Opal Diamond Halo Pendant

Est.

US$4,862

-

US$6,320

US$100

BidhausNew York, NY

Antique 18K Rose Gold 0.70ct Diamond and Opal Cocktail Ring: A rare find. This antique cocktail ring carries the presence of a well-preserved heirloom. It features an 18.0 carat oval white opal, in cabochon cut, resting on a softly ridged bezel that underscores

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Antique 18K Rose Gold 0.70ct Diamond and Opal Cocktail Ring

US$2,700

Eastern European Art Gallery IncBroomall, PA

DIAMOND OPAL GOLD RING/PENDANT 18K YELLOW 14.5CT OVAL COCKTAIL STYLE: DIAMOND OPAL GOLD RING/PENDANT 18K YELLOW 14.5CT OVAL COCKTAIL STYLE This 18K yellow gold ring/pendant features a stunning oval-shaped opal with diamond halo. The cocktail style design adds a touch of

5 days Left

DIAMOND OPAL GOLD RING/PENDANT 18K YELLOW 14.5CT OVAL COCKTAIL STYLE

Est.

US$22,095

-

US$24,694

US$18,000

Modern JewelryValley Village, CA

18K White Gold Ladies Pendant with 13.73ct Australian Opal and 0.37ct tw Adjacent Diamonds: Retail: $7,500.00 ****** 18K White Gold Ladies Pendant with 13.73ct Australian Opal and 0.37ct tw Adjacent Diamonds ****** Size: 18 / Metal: 18K White Gold / Total Item Weight: 9.9 Grams / Country Mad

4 days Left

18K White Gold Ladies Pendant with 13.73ct Australian Opal and 0.37ct tw Adjacent Diamonds

Est.

US$7,250

-

US$8,500

US$50

Riverside GalleriesArcadia, CA

18K (18-karat) Yellow Gold Necklace with Opal, Total Weight 2.5g, 40cm, Jewelry: --- Catalog ---Category: SizeWeight: 2.5g / 0.08oz.Pendant Size: 25mm x 14mm / 0.98'' x 0.55''Neck Circumference: 40 cm / 15.74''Category: DesignColor: Yellow goldMetal: GoldStone: OpalGender: WomenMa

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18K (18-karat) Yellow Gold Necklace with Opal, Total Weight 2.5g, 40cm, Jewelry

US$600

IntervendueMIAMI, FL

Chaumet Attrape Moi Bee Diamond Multi Gem 18k Rose Gold Pendant Necklace: Chaumet Attrape Moi Bee Diamond Multi Gem 18k Rose Gold Pendant Necklace Item Specifics: Pendant Shape: Bee Closure: Lobster Occasion: Anniversary Birthday Christening Christmas Confirmation/Communion

Sep 4, 2026

Chaumet Attrape Moi Bee Diamond Multi Gem 18k Rose Gold Pendant Necklace

Est.

US$6,700

-

US$8,050

US$1,800

SEUYCORaleigh, NC

Designer Polished Opal Mainstone & Swarovski Crystals Pendant Paired With 18KT GEP S-Braid Necklace: A Designer Polished Opal Mainstone & 14 Secondary Swarovski Crystals Pendant Paired With 18KT GEP S-Braid Necklace. Necklace was handcrafted in Israel, top quality vintage craftsmanship. Please View P

Sep 3, 2026

Designer Polished Opal Mainstone & Swarovski Crystals Pendant Paired With 18KT GEP S-Braid Necklace

Est.

US$100

-

US$150

US$60

Weatherham Estate TreasuresCobourg, ON

Vintage 14k 18k Gold Charm Bracelet: ES UTOO A vintage charm bracelet crafted in 14k and 18k yellow gold, circa 1950s–1960s. This beautifully assembled bracelet captures the nostalgia of mid-century travel and sentiment through six

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Vintage 14k 18k Gold Charm Bracelet

US$3,960

Jasper52New York, NY

Beautiful Natural Opal Ring With Natural Blue Sapphire and 18k Gold: Title: Beautiful Natural Opal Ring With Natural Blue Sapphire and 18k Gold Description: Beautiful Natural Opal Ring With Natural Blue Sapphire and 18k Gold. Beautiful Natural Fire Opal Ring Wit

Ends in 14d 22h

Beautiful Natural Opal Ring With Natural Blue Sapphire and 18k Gold

Est. —

£300

William GeorgeDunstable

Fire Opal and Diamond Ring in 18k Yellow Gold: In 18k Yellow Gold. Contains one high quality natural 10mmx8mm fire opal with vibrant color and excellent clarity. Also contains six .03ct diamonds, VS clarity/G color. Size 7.5. 6.6g.

2026

Fire Opal and Diamond Ring in 18k Yellow Gold

Eric's Estate & JewelryPunta Gorda, FL

18K Yellow Gold 1.60ct Diamond and Opal Ring: This exquisitely crafted ring is endlessly captivating. At the center, a stunning 15.0 carat Opal adds a stylish pop of color. Round-cut Diamonds with a total weight of 1.60 carats surround the center

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18K Yellow Gold 1.60ct Diamond and Opal Ring

US$2,900

Eastern European Art Gallery IncBroomall, PA

18K Gold Ring with Opal Emeralds and Diamond Accents: 18K Gold Ring with Opal Emeralds and Diamond Accents An 18K yellow gold ring set with opal, emerald, and diamond accents. The ring weighs 10.1 grams and is pre-owned. It features an approximate 5.00 c

3 days Left

18K Gold Ring with Opal Emeralds and Diamond Accents

Est.

US$2,756

-

US$3,582

US$100

BidhausNew York, NY

18K Yellow Gold Setting with 24.05ct Opal Ladies Pendant: Retail: $3,920.00 ****** 18K Yellow Gold Setting with 24.05ct Opal Ladies Pendant ****** Metal: 18K Yellow Gold / Total Item Weight: 13.51 Grams / Country Made: United States / / Main Stone: Opal / Co

5 days Left

18K Yellow Gold Setting with 24.05ct Opal Ladies Pendant

Est.

US$3,669

-

US$4,302

US$50

Riverside GalleriesArcadia, CA

Sep 3, 2026

KENJI KIUCHI OPAL RING

Est.

US$2,850

-

US$4,180

US$25

NY Elizabeth Beverly Hills, CA

VINTAGE 18K YELLOW GOLD OPAL DOUBLET FLUSH INLAY COMFORT FIT BAND RING -14.5G: VINTAGE 18K YELLOW GOLD OPAL DOUBLET FLUSH INLAY COMFORT FIT BAND RING -14.5G Vintage 18K Yellow Gold Opal Doublet Flush Inlay Comfort Fit Band Ring Ring Size: 6.75 - Can Be Re Sized Weight is 14.5 Gr

Sep 6, 2026

VINTAGE 18K YELLOW GOLD OPAL DOUBLET FLUSH INLAY COMFORT FIT BAND RING -14.5G

Est.

US$5,091

-

US$5,690

US$4,150

Modern JewelryValley Village, CA

Stunning 16.69ct Floral Opal Sapphire Ring 18k Yellow Gold: Stunning 16.69ct Floral Opal Sapphire Ring 18k Yellow Gold This exquisite estate ring showcases a captivating design crafted from 18k yellow gold with a high polished finish. The ring features a dome-

6 days Left

Stunning 16.69ct Floral Opal Sapphire Ring 18k Yellow Gold

Est.

US$21,243

-

US$25,491

US$6,800

Diamond DepotNew York, NY

Opal and Diamond Ring in 18k Yellow Gold: In 18k yellow gold. Contains one high quality 9mm by 7mm high quality natural Opal gemstone with intense play of color and flashes of yellow, green, purple, and orange. Also contains eight high qualit

16 hrs Left

Opal and Diamond Ring in 18k Yellow Gold

Est.

US$2,977

-

US$4,465

US$1,350

Eric's Estate & JewelryPunta Gorda, FL

Beautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold: Title: Beautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold Description: Beautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond and 18k Gold. 7

Ends in 14d 22h

Beautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond & 18k Gold

Est. —

£450

William GeorgeDunstable

18K (18-karat) Yellow Gold Necklace with Opal and Diamond (carat mark not specified). Total weight: --- Catalog ---Category: SizeWeight: 2.4g / 0.08oz.Pendant Size: 15mm x 10mm / 0.59'' x 0.39''Neck Circumference: 40 cm / 15.74''Category: DesignColor: Yellow goldMetal: GoldStone: Diamond, OpalGender

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18K (18-karat) Yellow Gold Necklace with Opal and Diamond (carat mark not specified). Total weight

US$600

IntervendueMIAMI, FL

18K White and Yellow Gold 2.0ct Diamond and Opal Cocktail Ring: Theatrical yet grounded in tradition, this cocktail ring combines drama and color with archival quality. At its center rests a 9ct oval black opal, its dark ground ignited by flashes of green, blue, a

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18K White and Yellow Gold 2.0ct Diamond and Opal Cocktail Ring

US$4,000

Eastern European Art Gallery IncBroomall, PA

Size 10 .18ct Marquise Cut Opals in 18K Gold Plated Ring: Size 10 .18ct Marquise Cut Opals in 18K Gold Plated Ring. Both stones are at a total weight of .09ct. Please view photos for furhter details.

5 days Left

Size 10 .18ct Marquise Cut Opals in 18K Gold Plated Ring

Est.

US$150

-

US$220

US$50

Weatherham Estate TreasuresCobourg, ON

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